Interplay between transparency and efficiency in dye sensitized solar cells.

In this paper we analyze the interplay between transparency and efficiency in dye sensitized solar cells by varying fabrication parameters such as the thickness of the nano-crystalline TiO(2) layer, the dye loading and the dye type. Both transparency and efficiency show a saturation trend when plotted versus dye loading. By introducing the transparency-efficiency plot, we show that the relation between transparency and efficiency is linear and is almost independent on the TiO(2) thickness for a certain thickness range. On the contrary, the relation between transparency and efficiency depends strongly on the type of the dye. Moreover, we show that co-sensitization techniques can be effectively used to access regions of the transparency-efficiency space that are forbidden for single dye sensitization. The relation found between transparency and efficiency (T&E) can be the general guide for optimization of Dye Solar Cells in building integration applications.

Citation

Roberto Tagliaferro, Daniele Colonna, Thomas M Brown, Andrea Reale, Aldo Di Carlo. Interplay between transparency and efficiency in dye sensitized solar cells. Optics express. 2013 Feb 11;21(3):3235-42

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PMID: 23481782

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